1#ifndef DEBUG_H
2#define DEBUG_H
3
4#include <stdlib.h>
5#include <stdio.h>
6
7#define unlikely(expr) __builtin_expect (expr, 0)
8#define likely(expr)   __builtin_expect (expr, 1)
9
10#ifdef DEBUG
11
12    #define FAILIF(cond, msg...) do {                        \
13	if (unlikely(cond)) {                                \
14        fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
15		fprintf(stderr, ##msg);                          \
16		exit(1);                                         \
17	}                                                    \
18} while(0)
19
20/* Debug enabled */
21    #define ASSERT(x) do {                                \
22	if (unlikely(!(x))) {                             \
23		fprintf(stderr,                               \
24				"ASSERTION FAILURE %s:%d: [%s]\n",    \
25				__FILE__, __LINE__, #x);              \
26		exit(1);                                      \
27	}                                                 \
28} while(0)
29
30#else
31
32    #define FAILIF(cond, msg...) do { \
33	if (unlikely(cond)) {         \
34		fprintf(stderr, ##msg);   \
35		exit(1);                  \
36	}                             \
37} while(0)
38
39/* No debug */
40    #define ASSERT(x)   do { } while(0)
41
42#endif/* DEBUG */
43
44#define FAILIF_LIBELF(cond, function) \
45    FAILIF(cond, "%s(): %s\n", #function, elf_errmsg(elf_errno()));
46
47static inline void *MALLOC(unsigned int size) {
48    void *m = malloc(size);
49    FAILIF(NULL == m, "malloc(%d) failed!\n", size);
50    return m;
51}
52
53static inline void *CALLOC(unsigned int num_entries, unsigned int entry_size) {
54    void *m = calloc(num_entries, entry_size);
55    FAILIF(NULL == m, "calloc(%d, %d) failed!\n", num_entries, entry_size);
56    return m;
57}
58
59static inline void *REALLOC(void *ptr, unsigned int size) {
60    void *m = realloc(ptr, size);
61    FAILIF(NULL == m, "realloc(%p, %d) failed!\n", ptr, size);
62    return m;
63}
64
65static inline void FREE(void *ptr) {
66    free(ptr);
67}
68
69static inline void FREEIF(void *ptr) {
70    if (ptr) FREE(ptr);
71}
72
73#define PRINT(x...)  do {                             \
74    extern int quiet_flag;                            \
75    if(likely(!quiet_flag))                           \
76        fprintf(stdout, ##x);                         \
77} while(0)
78
79#define ERROR PRINT
80
81#define INFO(x...)  do {                              \
82    extern int verbose_flag;                          \
83    if(unlikely(verbose_flag))                        \
84        fprintf(stdout, ##x);                         \
85} while(0)
86
87/* Prints a hex and ASCII dump of the selected buffer to the selected stream. */
88int dump_hex_buffer(FILE *s, void *b, size_t l, size_t elsize);
89
90#endif/*DEBUG_H*/
91